Alright, let's work through 27021474 times 16498542 step by step
27021474 × 16498542 = 16498542 × (27021474)
+ 16498542 × 4 yielding 65994168
+ 16498542 × 70 resulting in 1154897940
+ 16498542 × 400 giving us 6599416800
+ 16498542 × 1000 giving us 16498542000
+ 16498542 × 20000 that results in 329970840000
+ 16498542 × 000000 that results in 0
+ 16498542 × 7000000 that results in 115489794000000
+ 16498542 × 20000000 which equals 329970840000000

= 445814923690908
